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[PULL 46/76] target/microblaze: Convert dec_imm to decodetree
From: |
Richard Henderson |
Subject: |
[PULL 46/76] target/microblaze: Convert dec_imm to decodetree |
Date: |
Mon, 31 Aug 2020 09:05:31 -0700 |
Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/microblaze/insns.decode | 2 ++
target/microblaze/translate.c | 18 +++++++++---------
2 files changed, 11 insertions(+), 9 deletions(-)
diff --git a/target/microblaze/insns.decode b/target/microblaze/insns.decode
index 4644defbfe..ad15c16f9b 100644
--- a/target/microblaze/insns.decode
+++ b/target/microblaze/insns.decode
@@ -79,6 +79,8 @@ cmpu 000101 ..... ..... ..... 000 0000 0011 @typea
idiv 010010 ..... ..... ..... 000 0000 0000 @typea
idivu 010010 ..... ..... ..... 000 0000 0010 @typea
+imm 101100 00000 00000 imm:16
+
mul 010000 ..... ..... ..... 000 0000 0000 @typea
mulh 010000 ..... ..... ..... 000 0000 0001 @typea
mulhu 010000 ..... ..... ..... 000 0000 0011 @typea
diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c
index 964525f75e..54de136a16 100644
--- a/target/microblaze/translate.c
+++ b/target/microblaze/translate.c
@@ -477,6 +477,15 @@ static void gen_idivu(TCGv_i32 out, TCGv_i32 ina, TCGv_i32
inb)
DO_TYPEA_CFG(idiv, use_div, true, gen_idiv)
DO_TYPEA_CFG(idivu, use_div, true, gen_idivu)
+static bool trans_imm(DisasContext *dc, arg_imm *arg)
+{
+ dc->ext_imm = arg->imm << 16;
+ tcg_gen_movi_i32(cpu_imm, dc->ext_imm);
+ dc->tb_flags |= IMM_FLAG;
+ dc->clear_imm = 0;
+ return true;
+}
+
static void gen_mulh(TCGv_i32 out, TCGv_i32 ina, TCGv_i32 inb)
{
TCGv_i32 tmp = tcg_temp_new_i32();
@@ -848,14 +857,6 @@ static inline void sync_jmpstate(DisasContext *dc)
}
}
-static void dec_imm(DisasContext *dc)
-{
- dc->ext_imm = dc->imm << 16;
- tcg_gen_movi_i32(cpu_imm, dc->ext_imm);
- dc->tb_flags |= IMM_FLAG;
- dc->clear_imm = 0;
-}
-
static inline void compute_ldst_addr(DisasContext *dc, bool ea, TCGv t)
{
/* Should be set to true if r1 is used by loadstores. */
@@ -1561,7 +1562,6 @@ static struct decoder_info {
} decinfo[] = {
{DEC_LD, dec_load},
{DEC_ST, dec_store},
- {DEC_IMM, dec_imm},
{DEC_BR, dec_br},
{DEC_BCC, dec_bcc},
{DEC_RTS, dec_rts},
--
2.25.1
- [PULL 36/76] target/microblaze: Convert dec_add to decodetree, (continued)
- [PULL 36/76] target/microblaze: Convert dec_add to decodetree, Richard Henderson, 2020/08/31
- [PULL 37/76] target/microblaze: Convert dec_sub to decodetree, Richard Henderson, 2020/08/31
- [PULL 38/76] target/microblaze: Implement cmp and cmpu inline, Richard Henderson, 2020/08/31
- [PULL 39/76] target/microblaze: Convert dec_pattern to decodetree, Richard Henderson, 2020/08/31
- [PULL 40/76] target/microblaze: Convert dec_and, dec_or, dec_xor to decodetree, Richard Henderson, 2020/08/31
- [PULL 41/76] target/microblaze: Convert dec_mul to decodetree, Richard Henderson, 2020/08/31
- [PULL 42/76] target/microblaze: Convert dec_div to decodetree, Richard Henderson, 2020/08/31
- [PULL 43/76] target/microblaze: Unwind properly when raising divide-by-zero, Richard Henderson, 2020/08/31
- [PULL 44/76] target/microblaze: Convert dec_bit to decodetree, Richard Henderson, 2020/08/31
- [PULL 45/76] target/microblaze: Convert dec_barrel to decodetree, Richard Henderson, 2020/08/31
- [PULL 46/76] target/microblaze: Convert dec_imm to decodetree,
Richard Henderson <=
- [PULL 47/76] target/microblaze: Convert dec_fpu to decodetree, Richard Henderson, 2020/08/31
- [PULL 48/76] target/microblaze: Fix cpu unwind for fpu exceptions, Richard Henderson, 2020/08/31
- [PULL 49/76] target/microblaze: Mark fpu helpers TCG_CALL_NO_WG, Richard Henderson, 2020/08/31
- [PULL 51/76] target/microblaze: Cache mem_index in DisasContext, Richard Henderson, 2020/08/31
- [PULL 50/76] target/microblaze: Replace MSR_EE_FLAG with MSR_EE, Richard Henderson, 2020/08/31
- [PULL 52/76] target/microblaze: Fix cpu unwind for stackprot, Richard Henderson, 2020/08/31
- [PULL 54/76] target/microblaze: Assert no overlap in flags making up tb_flags, Richard Henderson, 2020/08/31
- [PULL 53/76] target/microblaze: Convert dec_load and dec_store to decodetree, Richard Henderson, 2020/08/31
- [PULL 55/76] target/microblaze: Move bimm to BIMM_FLAG, Richard Henderson, 2020/08/31
- [PULL 56/76] target/microblaze: Fix no-op mb_cpu_transaction_failed, Richard Henderson, 2020/08/31